Seiko Cal. 3898 - 323

This Spring Drive model from 1988 features a 37mm Two-Tone case. Powered by the 3898 caliber with 30j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-efb4d0638fbe]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1988

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