Seiko Cal. 5639 - 340

The 5639-340 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5639 caliber with 35j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-e6effe6f64ee]

Also known as: Panda, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1994

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