Seiko Cal. 7155 - 770

Seiko 7155-770

The 7155-770 is a sought-after Solar piece from Seiko's golden era. Powered by the 7155 caliber with 28j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-518591f53607]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
13.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1967

Related Models

seikata-wm-518591f53607