Seiko Cal. 4551 - 304

This Spring Drive model from 1969 features a 40mm Stainless Steel case. Powered by the 4551 caliber with 31j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-64f04e4982cb]

Also known as: Shogun, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1969

Related Models

• Seiko 7122-379
• Seiko 5653-163
• Seiko 5688-931
• Seiko 4597-153
• Seiko 4571-659
• Seiko 7028-670
• Seiko 6221-142
• Seiko 4511-491
• Seiko 7121-777
• Seiko 4522-831
• Seiko 5283-527
• Seiko 4438-480