Seiko Cal. 0721 - 424

The Seiko 0721-424 represents an important milestone in Seiko's 1987 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-3ebe1145f056]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1987

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