Seiko Cal. 4571 - 424

This Solar model from 1981 features a 37mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-6e14b17bda20]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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