Seiko Cal. 4487 - 645

The 4487-645 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4487 caliber with 23j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-d7e2161d64ca]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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