Seiko Cal. 4554 - 945

This Spring Drive model from 1987 features a 38mm Two-Tone case. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-1fe4c8f9cc2f]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1987

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