Seiko Cal. 7031 - 710

Seiko 7031-710

This Hand-Winding model from 1999 features a 46mm Hardlex-Coated Steel case. Powered by the 7031 caliber with 17j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-1c5092cd0f29]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Navy
Jewels
17j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1999

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seikata-wm-1c5092cd0f29