Seiko Cal. 7139 - 837

The Seiko 7139-837 represents an important milestone in Seiko's 1990 lineup. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-346b9d3370d7]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1990

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