Seiko Cal. 5278 - 122

The Seiko 5278-122 represents an important milestone in Seiko's 1978 lineup. Powered by the 5278 caliber with 27j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-bca637c30eb1]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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