Seiko Cal. 5655 - 378

The Seiko 5655-378 represents an important milestone in Seiko's 1984 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4f8c78117865]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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