Seiko Cal. 4535 - 274

This Spring Drive model from 1987 features a 36mm Two-Tone case. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-0c026d89873a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

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