Seiko Cal. 0763 - 331

Seiko 0763-331

The 0763-331 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0763 caliber with 31j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-85a0de4d43fa]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
50m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1968

Related Models

seikata-wm-85a0de4d43fa