Seiko Cal. 0731 - 191

Seiko 0731-191

The 0731-191 is a sought-after Solar piece from Seiko's golden era. Powered by the 0731 caliber with 35j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-4f920c17fc42]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
34mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Cream
Jewels
35j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1980

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