Seiko Cal. 0720 - 481

The Seiko 0720-481 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-6824060a3ae9]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1970

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