Seiko Cal. 6237 - 613

The Seiko 6237-613 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a4ac1d3795a6]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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