Seiko Cal. 4492 - 942

This Spring Drive model from 1984 features a 37mm PVD Black case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-54fbcb1af63e]

Also known as: Tuna, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1984

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