Seiko Cal. 7138 - 238

The Seiko 7138-238 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-70a215aa28f8]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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