Seiko Cal. 7077 - 228

The Seiko 7077-228 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a85f1eb48cfc]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1966

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