Seiko Cal. 4587 - 951

The Seiko 4587-951 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-f4424edc6c94]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1983

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