Seiko Cal. 4550 - 628

The Seiko 4550-628 represents an important milestone in Seiko's 1974 lineup. It features a Cream dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-71c12e1d21bc]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1974

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