Seiko Cal. 4581 - 687

The 4581-687 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4581 caliber with 27j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-90ac569ec2c9]

Also known as: Monster, Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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