Seiko Cal. 5275 - 378

The Seiko 5275-378 represents an important milestone in Seiko's 1984 lineup. Powered by the 5275 caliber with 31j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-25bdd760c467]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1984

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