Seiko Cal. 5673 - 641

The 5673-641 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5673 caliber with 34j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-385c509b20ba]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1993

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