Seiko Cal. 6221 - 143

The Seiko 6221-143 represents an important milestone in Seiko's 1975 lineup. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-21efec2ceea1]

Also known as: Monster, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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