Seiko Cal. 6394 - 256

This Spring Drive model from 1991 features a 37mm PVD Black case. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-e32ad12fb69d]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1991

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