Seiko Cal. 3874 - 680

This Spring Drive model from 1990 features a 38mm PVD Black case. Powered by the 3874 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-9bb1f02a86fb]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1990

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