Seiko Cal. 6633 - 272

This Hand-Winding model from 1967 features a 37mm Two-Tone case. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-ed2b33462b5b]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1967

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