Seiko Cal. 5657 - 637

Seiko 5657-637

The 5657-637 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8f4dab7e06e1]

Also known as: Shogun, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
12.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Silver
Jewels
34j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1994

Related Models

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