Seiko Cal. 4495 - 537

This Spring Drive model from 1974 features a 41mm Stainless Steel case. Powered by the 4495 caliber with 32j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-1961b3b46af1]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

Related Models

• Seiko 0735-961
• Seiko 0712-132
• Seiko 3826-225
• Seiko 6145-950
• Seiko 7024-947
• Seiko 7071-765
• Seiko 7087-657
• Seiko 7013-883
• Seiko 4522-895
• Seiko 4566-722
• Seiko 3855-233
• Seiko 6390-147