Seiko Cal. 0738 - 889

This Spring Drive model from 1999 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-5d3592b7af12]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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