Seiko Cal. 5640 - 376

The 5640-376 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5640 caliber with 21j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-97ed99ee6fe6]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

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