Seiko Cal. 6633 - 711

The Seiko 6633-711 represents an important milestone in Seiko's 1973 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-68d01a375b86]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

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