Seiko Cal. 7031 - 631

Seiko 7031-631

This Kinetic model from 1989 features a 39mm Stainless Steel case. Powered by the 7031 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f552153e7971]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1989

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seikata-wm-f552153e7971