Seiko Cal. 5637 - 546

Seiko 5637-546

This Hand-Winding model from 1973 features a 36mm Stainless Steel case. Powered by the 5637 caliber with 35j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-1dbd90048350]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
120m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1973

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seikata-wm-1dbd90048350