Seiko Cal. 5661 - 420

The Seiko 5661-420 represents an important milestone in Seiko's 1981 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-1f818b7c8325]

Also known as: Bullhead, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1981

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