Seiko Cal. 4556 - 361

This Spring Drive model from 1981 features a 42mm Two-Tone case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-173fe02e3d23]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1981

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