Seiko Cal. 7138 - 385

The Seiko 7138-385 represents an important milestone in Seiko's 1985 lineup. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-d1b388d8ecd9]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

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