Seiko Cal. 4487 - 462

The Seiko 4487-462 represents an important milestone in Seiko's 1977 lineup. Powered by the 4487 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-2c1eb4983746]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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