Seiko Cal. 7031 - 603

Seiko 7031-603

Released in 1968, the Cal. 7031 with design code 603 was part of Seiko's domestic market collection. Powered by the 7031 caliber with 25j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-7163f7e993f9]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
15.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1968

Related Models

seikata-wm-7163f7e993f9