Seiko Cal. 4587 - 304

Released in 1983, the Cal. 4587 with design code 304 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-3d4db25b5cc0]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1983

Related Models

• Seiko 6316-111
• Seiko 6155-205
• Seiko 5692-544
• Seiko 4594-526
• Seiko 6379-264
• Seiko 7061-627
• Seiko 5235-857
• Seiko 4552-630
• Seiko 4567-730
• Seiko 5681-774
• Seiko 7029-503
• Seiko 0789-568