Seiko Cal. 7136 - 128

Seiko 7136-128

The 7136-128 is a sought-after Solar piece from Seiko's golden era. Powered by the 7136 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-ed722a3da084]

Also known as: Bullhead, Helmet

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1978

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