Seiko Cal. 0721 - 815

The Seiko 0721-815 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-2ad1352af58f]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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