Seiko Cal. 4421 - 831

The Seiko 4421-831 represents an important milestone in Seiko's 1981 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-25ce4bd54ed7]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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