Seiko Cal. 4597 - 964

This Spring Drive model from 1988 features a 46mm Two-Tone case. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-fbeada0b7217]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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