Seiko Cal. 4587 - 634

The 4587-634 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-8676cccb915d]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1993

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