Seiko Cal. 5639 - 346

The 5639-346 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5639 caliber with 29j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-94729eb701d8]

Also known as: Panda, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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