Seiko Cal. 0717 - 633

The Seiko 0717-633 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-cee5ebbb2271]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1978

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