Seiko Cal. 5657 - 339

Seiko 5657-339

This Automatic model from 1966 features a 46mm Titanium case. Powered by the 5657 caliber with 27j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-2b571643ce70]

Also known as: Turtle, Sumo

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
190m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1966

Related Models

seikata-wm-2b571643ce70