Seiko Cal. 5653 - 637

The Seiko 5653-637 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-1cf518be33bf]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1972

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