Seiko Cal. 4459 - 631

The 4459-631 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-e6f285fa3468]

Also known as: Monster, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1969

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