Seiko Cal. 5627 - 691

The Seiko 5627-691 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4dcfc69d02cc]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

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