Seiko Cal. 3872 - 880

This Spring Drive model from 1981 features a 38mm Two-Tone case. Powered by the 3872 caliber with 21j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-7610d746da88]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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