Seiko Cal. 6368 - 504

The 6368-504 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6368 caliber with 36j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-3ffeac5f23ae]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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