Seiko Cal. 4493 - 587

The Seiko 4493-587 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-94b2324b442a]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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