Seiko Cal. 4493 - 635

Released in 1968, the Cal. 4493 with design code 635 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-4f3734d28710]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1968

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