Seiko Cal. 0731 - 373

Seiko 0731-373

The 0731-373 is a sought-after Solar piece from Seiko's golden era. Powered by the 0731 caliber with 27j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-4a2182612b15]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1987

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