Seiko Cal. 4531 - 500

This Spring Drive model from 1992 features a 39mm Titanium case. Powered by the 4531 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-b65f371294d9]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1992

Related Models

• Seiko 6686-421
• Seiko 3815-853
• Seiko 6667-126
• Seiko 7116-318
• Seiko 5634-400
• Seiko 6163-420
• Seiko 4454-205
• Seiko 5663-819
• Seiko 7197-976
• Seiko 5270-347
• Seiko 7142-777
• Seiko 7143-577