Seiko Cal. 5637 - 123

The Seiko 5637-123 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-dd87ccade26f]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1973

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