Seiko Cal. 7090 - 870

This Automatic model from 1968 features a 36mm Gold-Plated case. Powered by the 7090 caliber with 25j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-257ee2da5ed3]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

Related Models

• Seiko 6630-149
• Seiko 5220-230
• Seiko 7186-635
• Seiko 7147-403
• Seiko 3840-473
• Seiko 6328-729
• Seiko 6354-604
• Seiko 5226-807
• Seiko 4568-442
• Seiko 4485-794
• Seiko 3855-144
• Seiko 6158-624