Seiko Cal. 0721 - 921

The Seiko 0721-921 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-fdf90c2fb7f5]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1967

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