Seiko Cal. 7022 - 638

The Seiko 7022-638 represents an important milestone in Seiko's 1998 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-fe319430ffeb]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

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