Seiko Cal. 0721 - 813

The Seiko 0721-813 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-67aaa7c9896c]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1969

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