Seiko Cal. 4492 - 759

This Spring Drive model from 1970 features a 45mm Gold-Plated case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-f89a294a5c2a]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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