Seiko Cal. 7031 - 990

Seiko 7031-990

The 7031-990 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-48307d9ebde9]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Green
Jewels
36j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1968

Related Models

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