Seiko Cal. 7022 - 646

The Seiko 7022-646 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-d6f1347cb422]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1967

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