Seiko Cal. 6144 - 644

This Solar model from 1977 features a 40mm PVD Black case. Powered by the 6144 caliber with 21j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-17319db74f36]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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