Seiko Cal. 6650 - 952

The Seiko 6650-952 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-3a9fb999d04a]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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