Seiko Cal. 7139 - 441

Seiko 7139-441

The 7139-441 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7139 caliber with 34j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-33df670491ed]

Also known as: Bellmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
34j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1966

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