Seiko Cal. 4493 - 646

The Seiko 4493-646 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-ed218b79cb44]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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