Seiko Cal. 6231 - 677

This Quartz model from 1975 features a 34mm Two-Tone case. It features a Cream dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-540c6b3c15d7]

Also known as: Monster, Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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