Seiko Cal. 5639 - 894

The 5639-894 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5639 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-fd8b9b590ee8]

Also known as: Panda, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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