Seiko Cal. 4457 - 485

Released in 1987, the Cal. 4457 with design code 485 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-2f3de74558dc]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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