Seiko Cal. 6312 - 593

The 6312-593 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6312 caliber with 32j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-84794d37ad2d]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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