Seiko Cal. 5639 - 774

The 5639-774 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5639 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-3d7765c6779c]

Also known as: Panda, Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

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