Seiko Cal. 5646 - 957

The 5646-957 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5646 caliber with 36j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-a238eb15fd04]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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