Seiko Cal. 6386 - 358

The Seiko 6386-358 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-7d57a9b2edf2]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1972

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