Seiko Cal. 5279 - 231

The Seiko 5279-231 represents an important milestone in Seiko's 1979 lineup. Powered by the 5279 caliber with 24j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-5647ddad808c]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

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