Seiko Cal. 7031 - 563

Seiko 7031-563

This Quartz model from 1971 features a 34mm Stainless Steel case. Powered by the 7031 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-d9ac0400f793]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1971

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seikata-wm-d9ac0400f793