Seiko Cal. 7031 - 353

Seiko 7031-353

This Automatic model from 1975 features a 45mm Two-Tone case. Powered by the 7031 caliber with 22j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-1766ebe080bc]

Also known as: Arnie

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
8.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Green
Jewels
22j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1975

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