Seiko Cal. 4490 - 954

This Spring Drive model from 1965 features a 42mm Titanium case. Powered by the 4490 caliber with 19j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-2f13abb14f06]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1965

Related Models

• Seiko 3873-801
• Seiko 7020-123
• Seiko 3833-931
• Seiko 0755-901
• Seiko 6394-558
• Seiko 5240-847
• Seiko 5616-753
• Seiko 6182-239
• Seiko 6193-321
• Seiko 4434-447
• Seiko 5287-810
• Seiko 4493-294