Seiko Cal. 5663 - 370

This Quartz model from 1991 features a 39mm Titanium case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-55fcc1ba7913]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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