Seiko Cal. 4550 - 557

The 4550-557 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-fc5dd267293b]

Also known as: Monster, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1982

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