Seiko Cal. 4475 - 487

The Seiko 4475-487 represents an important milestone in Seiko's 1966 lineup. Powered by the 4475 caliber with 30j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-b2c3081d9545]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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