Seiko Cal. 0731 - 404

Seiko 0731-404

Released in 1990, the Cal. 0731 with design code 404 was part of Seiko's domestic market collection. Powered by the 0731 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-4a1221095db4]

Also known as: Bullhead, UFO

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1990

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seikata-wm-4a1221095db4