Seiko Cal. 6671 - 649

The 6671-649 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6671 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-b87a5f6583c4]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1988

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