Seiko Cal. 0770 - 440

This Hand-Winding model from 1979 features a 45mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-59f69c9b1779]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

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