Seiko Cal. 4493 - 754

This Spring Drive model from 1966 features a 41mm Two-Tone case. With its 22mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-11c43c86eb9a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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