Seiko Cal. 4444 - 828

This Solar model from 1978 features a 38mm Two-Tone case. Powered by the 4444 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-f483c7f6326e]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1978

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