Seiko Cal. 6171 - 218

This Hand-Winding model from 1985 features a 37mm Two-Tone case. Powered by the 6171 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-f052287cc61d]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1985

Related Models

• Seiko 5626-770
• Seiko 5685-847
• Seiko 4496-780
• Seiko 4592-142
• Seiko 5614-902
• Seiko 4524-334
• Seiko 0728-460
• Seiko 6617-281
• Seiko 6364-145
• Seiko 4515-631
• Seiko 7070-770
• Seiko 5698-202