Seiko Cal. 3883 - 621

This Spring Drive model from 1986 features a 39mm PVD Black case. Powered by the 3883 caliber with 30j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-cb7c6387246a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1986

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