Seiko Cal. 5257 - 632

Seiko 5257-632

The 5257-632 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5257 caliber with 24j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-3ec11ab2c969]

Also known as: Monster, Navigator

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
White
Jewels
24j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1978

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seikata-wm-3ec11ab2c969