Seiko Cal. 6669 - 631

The Seiko 6669-631 represents an important milestone in Seiko's 1976 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-546d7797891d]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

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