Seiko Cal. 5630 - 921

This Automatic model from 1998 features a 40mm Titanium case. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-8d8c6eb19d71]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1998

Related Models

• Seiko 7042-565
• Seiko 7079-329
• Seiko 7038-728
• Seiko 7048-423
• Seiko 5624-458
• Seiko 3829-469
• Seiko 4544-723
• Seiko 4410-425
• Seiko 6348-566
• Seiko 4541-316
• Seiko 5671-207
• Seiko 6337-691