Seiko Cal. 7161 - 399

Seiko 7161-399

This Automatic model from 1975 features a 39mm Hardlex-Coated Steel case. Powered by the 7161 caliber with 27j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-ec4a21df2e1e]

Also known as: Turtle, Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
10.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1975

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