Seiko Cal. 7021 - 631

Seiko 7021-631

This Solar model from 1968 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b1c3cef2bae0]

Also known as: Sumo, Bellmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Navy
Jewels
17j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1968

Related Models

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