Seiko Cal. 3813 - 749

The 3813-749 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3813 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e1559e473e57]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1991

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