Seiko Cal. 5637 - 762

The Seiko 5637-762 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8b7f49365999]

Also known as: Tuna, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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