Seiko Cal. 6691 - 627

The Seiko 6691-627 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-822a44de22cb]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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