Seiko Cal. 4457 - 632

Released in 1967, the Cal. 4457 with design code 632 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-9fdd775fb24f]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1967

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