Seiko Cal. 6654 - 477

The 6654-477 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6654 caliber with 33j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c5cd111eae68]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1975

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