Seiko Cal. 7031 - 221

Seiko 7031-221

The 7031-221 is a sought-after Solar piece from Seiko's golden era. Powered by the 7031 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-97f6c741afdb]

Also known as: Monster, Pogue

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
8.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
23j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1997

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