Seiko Cal. 5637 - 242

The Seiko 5637-242 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-a12b7ded99da]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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