Seiko Cal. 5630 - 461

The Seiko 5630-461 represents an important milestone in Seiko's 1969 lineup. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-0a36e52b149b]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1969

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