Seiko Cal. 5663 - 251

This Automatic model from 1988 features a 40mm Titanium case. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-59fe46cd2e42]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1988

Related Models

• Seiko 5629-877
• Seiko 4454-873
• Seiko 3856-691
• Seiko 7162-692
• Seiko 7171-906
• Seiko 5695-475
• Seiko 6247-631
• Seiko 6197-527
• Seiko 4419-864
• Seiko 4540-331
• Seiko 6173-873
• Seiko 7188-688