Seiko Cal. 4486 - 497

This Automatic model from 1972 features a 40mm Two-Tone case. Powered by the 4486 caliber with 18j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-94c50825c9e8]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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