Seiko Cal. 3817 - 480

This Spring Drive model from 1996 features a 42mm Titanium case. Powered by the 3817 caliber with 19j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-268cac2bafb2]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1996

Related Models

• Seiko 6333-487
• Seiko 3859-299
• Seiko 6329-491
• Seiko 4556-429
• Seiko 4458-479
• Seiko 6324-828
• Seiko 4432-474
• Seiko 3820-621
• Seiko 4532-663
• Seiko 5692-995
• Seiko 4534-383
• Seiko 4566-336