Seiko Cal. 6674 - 441

The 6674-441 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6674 caliber with 30j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-77444e2b3f3f]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1974

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