Seiko Cal. 4427 - 486

This Spring Drive model from 1990 features a 40mm Gold-Plated case. Powered by the 4427 caliber with 36j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-86056b6585cb]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1990

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