Seiko Cal. 4438 - 991

The 4438-991 is a sought-after Solar piece from Seiko's golden era. Powered by the 4438 caliber with 29j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-6ce3e8e4ae96]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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