Seiko Cal. 5633 - 238

This Hand-Winding model from 1979 features a 36mm Gold-Plated case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-9d607210524a]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

Related Models

• Seiko 0725-413
• Seiko 7062-612
• Seiko 0743-278
• Seiko 4545-870
• Seiko 6669-522
• Seiko 5212-372
• Seiko 5691-812
• Seiko 0782-451
• Seiko 5214-124
• Seiko 5213-141
• Seiko 6143-299
• Seiko 3899-447