Seiko Cal. 4487 - 633

The Seiko 4487-633 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-c7ce5ed0a5e4]

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

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