Seiko Cal. 4422 - 769

This Hand-Winding model from 1977 features a 42mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-8a13c6f4d3f4]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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