Seiko Cal. 6671 - 187

The 6671-187 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6671 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-d60c46d14ad3]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

Related Models

• Seiko 3866-274
• Seiko 4496-145
• Seiko 6210-454
• Seiko 7078-683
• Seiko 6233-703
• Seiko 7123-900
• Seiko 6694-901
• Seiko 4469-378
• Seiko 6123-686
• Seiko 6251-477
• Seiko 6379-559
• Seiko 3813-646