Seiko Cal. 5631 - 580

This Hand-Winding model from 1997 features a 45mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-e2432acf1486]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1997

Related Models

• Seiko 5696-298
• Seiko 7121-589
• Seiko 4534-899
• Seiko 5628-411
• Seiko 5291-104
• Seiko 7136-170
• Seiko 5276-519
• Seiko 0724-227
• Seiko 6695-861
• Seiko 7143-730
• Seiko 0780-458
• Seiko 6111-609