Seiko Cal. 0731 - 290

Seiko 0731-290

The 0731-290 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0731 caliber with 31j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-0b1faa45a3dc]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1993

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