Seiko Cal. 4550 - 555

The 4550-555 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4550 caliber with 27j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-0034c565f857]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1993

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