Seiko Cal. 0721 - 436

The Seiko 0721-436 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-2a2d7292c92d]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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