Seiko Cal. 7172 - 357

This Automatic model from 1974 features a 38mm Titanium case. Powered by the 7172 caliber with 36j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-a110c0c22523]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

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