Seiko Cal. 7139 - 419

Seiko 7139-419

This Hand-Winding model from 1989 features a 37mm Hardlex-Coated Steel case. Powered by the 7139 caliber with 24j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-09d9dba8118c]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
24j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1989

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seikata-wm-09d9dba8118c