Seiko Cal. 5637 - 502

Seiko 5637-502

The 5637-502 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-afc9d69da1a8]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Cream
Jewels
22j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1991

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