Seiko Cal. 0783 - 277

The Seiko 0783-277 represents an important milestone in Seiko's 1984 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ede78489bbc0]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1984

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