Seiko Cal. 4547 - 186

The 4547-186 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4547 caliber with 25j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-f0b35dddf9aa]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

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