Seiko Cal. 7077 - 157

Seiko 7077-157

The 7077-157 is a sought-after Solar piece from Seiko's golden era. Powered by the 7077 caliber with 27j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-2e8016601872]

Also known as: Sumo, Bellmatic

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1971

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seikata-wm-2e8016601872