Seiko Cal. 6354 - 312

This Spring Drive model from 1983 features a 43mm PVD Black case. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-2a1cb3d52f29]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

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