Seiko Cal. 6310 - 834

This Quartz model from 1972 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-69ae797995ce]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1972

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