Seiko Cal. 6391 - 552

This Quartz model from 1968 features a 46mm Stainless Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-d6e6b103b9de]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1968

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