Seiko Cal. 5671 - 140

Seiko 5671-140

This Automatic model from 1975 features a 39mm Two-Tone case. Powered by the 5671 caliber with 29j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-893fa7e450e1]

Also known as: Turtle, Sumo

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1975

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