Seiko Cal. 0777 - 903

Released in 1980, the Cal. 0777 with design code 903 was part of Seiko's domestic market collection. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ec2dce1fb31e]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

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