Seiko Cal. 4493 - 635

The Seiko 4493-635 represents an important milestone in Seiko's 1974 lineup. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-607f94f3d831]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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