Seiko Cal. 6647 - 206

The Seiko 6647-206 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-ba40bc294851]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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