Seiko Cal. 6648 - 404

This Hand-Winding model from 1976 features a 38mm PVD Black case. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-4546181db772]

Also known as: Sea Horse, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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