Seiko Cal. 3875 - 537

The Seiko 3875-537 represents an important milestone in Seiko's 1978 lineup. Powered by the 3875 caliber with 26j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-4755b6f369d4]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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