Seiko Cal. 4529 - 971

This Quartz model from 1975 features a 37mm Hardlex-Coated Steel case. Powered by the 4529 caliber with 27j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-d02c0e975d5f]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

Related Models

• Seiko 7194-560
• Seiko 6642-888
• Seiko 3810-669
• Seiko 6643-772
• Seiko 5262-655
• Seiko 6163-382
• Seiko 6688-449
• Seiko 5235-408
• Seiko 5263-558
• Seiko 4440-369
• Seiko 6123-146
• Seiko 7157-207