Seiko Cal. 0731 - 999

Seiko 0731-999

The 0731-999 is a sought-after Solar piece from Seiko's golden era. Powered by the 0731 caliber with 25j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-411a87b1ca92]

Also known as: Helmet, Sea Horse

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1998

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seikata-wm-411a87b1ca92