Seiko Cal. 7158 - 121

This Automatic model from 1965 features a 37mm PVD Black case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7ac6bcfb2142]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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