Seiko Cal. 6639 - 473

The Seiko 6639-473 represents an important milestone in Seiko's 1996 lineup. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-08658c77012b]

Also known as: World Timer, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1996

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