Seiko Cal. 4450 - 228

This Automatic model from 1969 features a 46mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-4bc080ec3d5e]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1969

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