Seiko Cal. 0730 - 641

Seiko 0730-641

The 0730-641 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0730 caliber with 20j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-d11b35070bdc]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Cream
Jewels
20j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1988

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seikata-wm-d11b35070bdc