Seiko Cal. 0748 - 523

This Spring Drive model from 1990 features a 41mm Two-Tone case. With its 22mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-e5cd3860a322]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

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