Seiko Cal. 4550 - 428

The 4550-428 is a sought-after Solar piece from Seiko's golden era. Powered by the 4550 caliber with 25j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-e48bf1be7c0a]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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