Seiko Cal. 0721 - 936

The Seiko 0721-936 represents an important milestone in Seiko's 1966 lineup. Powered by the 0721 caliber with 20j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-bb5191179cc7]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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