Seiko Cal. 7150 - 402

Seiko 7150-402

The 7150-402 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7150 caliber with 19j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-a927e86aadf3]

Also known as: Bullhead, Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1979

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