Seiko Cal. 6674 - 638

The 6674-638 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6674 caliber with 24j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-d3f83616de56]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1976

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