Seiko Cal. 6654 - 549

The 6654-549 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6654 caliber with 33j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-1702b69d5a6e]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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