Seiko Cal. 7031 - 611

Seiko 7031-611

The 7031-611 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7031 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-a0378f888d98]

Also known as: Shogun, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
44mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1991

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seikata-wm-a0378f888d98