Seiko Cal. 6650 - 387

This Spring Drive model from 1980 features a 37mm Stainless Steel case. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-3f4b01558339]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1980

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