Seiko Cal. 0777 - 713

The Seiko 0777-713 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9366c6fd9814]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

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