Seiko Cal. 4457 - 761

This Hand-Winding model from 1987 features a 35mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-692cf1c1ca83]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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