Seiko Cal. 4539 - 720

This Solar model from 1981 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-c1dff06e5002]

Also known as: UFO, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1981

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