Seiko Cal. 4422 - 715

The Seiko 4422-715 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-117bbaa09f20]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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