Seiko Cal. 0728 - 684

This Spring Drive model from 1979 features a 36mm PVD Black case. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-6cbbdc2b004b]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1979

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