Seiko Cal. 4475 - 636

The Seiko 4475-636 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-51de47657b5a]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1974

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