Seiko Cal. 5278 - 925

The Seiko 5278-925 represents an important milestone in Seiko's 1968 lineup. Powered by the 5278 caliber with 33j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-d59ca75328e5]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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