Seiko Cal. 5671 - 326

The Seiko 5671-326 represents an important milestone in Seiko's 1981 lineup. Powered by the 5671 caliber with 29j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-e3a25a07404d]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

Related Models

• Seiko 4550-451
• Seiko 7125-993
• Seiko 7045-206
• Seiko 4430-566
• Seiko 5663-649
• Seiko 6337-517
• Seiko 4597-108
• Seiko 3862-233
• Seiko 3847-719
• Seiko 4561-120
• Seiko 4513-177
• Seiko 4432-462