Seiko Cal. 5637 - 495

The Seiko 5637-495 represents an important milestone in Seiko's 1984 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-cc5ad404f3b0]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1984

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