Seiko Cal. 6637 - 866

Seiko 6637-866

This Solar model from 1971 features a 34mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6207dafdbdb2]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Silver
Jewels
17j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1971

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seikata-wm-6207dafdbdb2