Seiko Cal. 0731 - 915

This Automatic model from 1982 features a 39mm Hardlex-Coated Steel case. Powered by the 0731 caliber with 25j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-8cd40490e478]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1982

Related Models

• Seiko 7054-704
• Seiko 6371-862
• Seiko 6661-681
• Seiko 4487-597
• Seiko 5267-881
• Seiko 3838-144
• Seiko 3847-435
• Seiko 7067-284
• Seiko 6177-906
• Seiko 4437-347
• Seiko 4445-299
• Seiko 6158-221