Seiko Cal. 7172 - 357

Seiko 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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seikata-wm-a110c0c22523