Seiko Cal. 4550 - 555

Seiko 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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seikata-wm-0034c565f857