Seiko Cal. 4550 - 575

Released in 1972, the Cal. 4550 with design code 575 was part of Seiko's domestic market collection. Powered by the 4550 caliber with 33j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-33215c495ba4]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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