Seiko Cal. 6331 - 925

The 6331-925 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6331 caliber with 29j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-8e6d1dd09846]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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