Seiko Cal. 4556 - 491

This Spring Drive model from 1993 features a 37mm Gold-Plated case. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-563a951a10e8]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1993

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