Seiko Cal. 4446 - 853

The Seiko 4446-853 represents an important milestone in Seiko's 1977 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-2bf307d14c59]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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