Seiko Cal. 0770 - 803

The Seiko 0770-803 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d0d2f6ddfeeb]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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