Seiko Cal. 6637 - 962

Seiko 6637-962

The 6637-962 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-4ee99534d9ea]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1972

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