Seiko Cal. 5658 - 657

This Hand-Winding model from 1996 features a 37mm PVD Black case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-dce6ce2b76fc]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1996

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