Seiko Cal. 6144 - 904

Seiko 6144-904

The Seiko 6144-904 represents an important milestone in Seiko's 1966 lineup. Powered by the 6144 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-c1f67884e54f]

Also known as: Bullhead, Arnie

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
30j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1966

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