Seiko Cal. 7031 - 285

Seiko 7031-285

The Seiko 7031-285 represents an important milestone in Seiko's 1976 lineup. Powered by the 7031 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-a3e5bf0be571]

Also known as: UFO, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
160m
Dial Color
Champagne
Jewels
31j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1976

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