Seiko Cal. 6336 - 690

The 6336-690 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6336 caliber with 21j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-791b0af53edc]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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