Seiko Cal. 4556 - 986

This Spring Drive model from 1994 features a 38mm PVD Black case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-70af9e3d5146]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1994

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