Seiko Cal. 6144 - 450

The 6144-450 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6144 caliber with 24j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-c86593796863]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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