Seiko Cal. 0721 - 753

The Seiko 0721-753 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-74839ff5586f]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1969

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