Seiko Cal. 6634 - 357

The Seiko 6634-357 represents an important milestone in Seiko's 1993 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-7c8e4bdd9954]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1993

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