Seiko Cal. 6654 - 546

The 6654-546 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6654 caliber with 22j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-069588d74e9f]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1975

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