Seiko Cal. 5638 - 227

This Quartz model from 1966 features a 45mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-3c74607039c3]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

Related Models

• Seiko 0727-610
• Seiko 6619-653
• Seiko 6368-290
• Seiko 7041-598
• Seiko 4485-423
• Seiko 3874-746
• Seiko 6696-333
• Seiko 6682-191
• Seiko 6297-444
• Seiko 6695-147
• Seiko 5234-579
• Seiko 6620-515