Seiko Cal. 6671 - 545

The 6671-545 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6671 caliber with 19j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-72cc3ae10d5d]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1977

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