Seiko Cal. 6131 - 704

This Quartz model from 1970 features a 46mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-8c97a33ba2af]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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