Seiko Cal. 6311 - 503

The 6311-503 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6311 caliber with 33j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-0feed474599d]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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