Seiko Cal. 7138 - 182

The Seiko 7138-182 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-e1128f9c67c6]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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