Seiko Cal. 6166 - 397

This Hand-Winding model from 1974 features a 38mm Stainless Steel case. Powered by the 6166 caliber with 30j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-904d2fc8e8f0]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

Related Models

• Seiko 4461-435
• Seiko 7171-880
• Seiko 0718-236
• Seiko 0712-275
• Seiko 3893-118
• Seiko 0744-304
• Seiko 0746-233
• Seiko 6631-972
• Seiko 6324-930
• Seiko 6118-161
• Seiko 4565-550
• Seiko 6127-498