Seiko Cal. 6388 - 701

This Hand-Winding model from 1965 features a 44mm PVD Black case. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-52ee147dd6f0]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1965

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