Seiko Cal. 6321 - 636

This Spring Drive model from 1978 features a 39mm Gold-Plated case. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-eb342cb1844a]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

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