Seiko Cal. 3874 - 690

The Seiko 3874-690 represents an important milestone in Seiko's 1985 lineup. Powered by the 3874 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-372d3f0c75f4]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1985

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