Seiko Cal. 7157 - 388

Seiko 7157-388

This Automatic model from 1969 features a 39mm Two-Tone case. Powered by the 7157 caliber with 35j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-068bf207f22e]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1969

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