Seiko Cal. 5637 - 387

Seiko 5637-387

This Hand-Winding model from 1969 features a 43mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-4b38735cb935]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1969

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seikata-wm-4b38735cb935