Seiko Cal. 4539 - 646

The 4539-646 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4539 caliber with 32j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-5794e14678ba]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1979

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