Taikonaut watch band

Super Engineer II for Seiko 6309, Wetsuit Ratchet Buckle

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22mm Super Engineer II watch band for SEIKO Diver 6309-7040, Brushed, Wetsuit Ratchet Buckle

Ratchet Buckle Clasp is an ideal Wetsuit watch band buckle. The ratchet theory extension mechanism is of great importance for both convenience and safety. Super Engineer II watch bracelet is design for Seiko Scuba Diver 6309-7040 & 6309-7049 models or other 22mm lug Seiko diver or sport watch case with the same curvature as the above models. Super Engineer II is composed by 5 chamfer edge well-made solid 316L stainless steel units. Screw-in adjustable details instead of pressure pins. This item includes one pair of FAT spring bar (eg. generic Seiko Dia. 2.5mm spring bar) to ensure a more secure connection. This unique aftermarket watch bracelet tailor made for Seiko 6309-7040 & 6309-7049.

Item number: SS222017B028
Brand Name: Super Engineer II
Lug width: 22mm
Buckle size: 20mm
Buckle Include: Yes
Buckle type / Finish: 20mm 316L Stainless Steel button control Diver Wetsuit Ratchet Buckle, Brushed
Overall Length: 190mm
Thickness: 4.6mm
Spring bar hole dia.: 2.5mm (included)
Design to fit : Seiko Scuba Diver 6309-7040 / 6309-7049 replacement watch band?
Material: 316L Stainless Steel, all solid links include end links
Color / Finish: Brushed
All Available Max. length: 200mm
Corresponding Min. length : 130mm
Net Weight : 136g
Lug end style: Curved End
Adjustment type: Screw fixed Links + Ratchet adjust 10mm
Remarks: Buckle Ref. CLASP20-017B


Please Readme before purchase: Vintage Seiko 6105 models production started in 1976. Seiko 6309-7040 and 6309-7049 both are successors of 6105. The 6309 watch cases have been produced in two (or more) different styles. The case had been slightly changed from big cushion cases into later stage slimmed down version. Therefore, each style may have very little different from each other, such as spring-bar-tip-hole diameter and the hole-to-case-edge distance. Our 6309 replacement bracelets have been tested can fit in a few 6309 models during production period however it may not fit all other 6309 models.

Suggestion: Our 6039 replacement bracelet comes with a pair of Dia. 2.5mm Fat spring bars. If your 6309 cannot fit in our replacement band, please try to change spring bars with diameter less than 2.5mm, eg. 2.0mm or 1.78mm (your original spring bars). Changing spring bars can help to grab spring-bar-tip-hole more easily for a successful installation. Should you have any questions please feel free to contact us.



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