Seiko Cal. 6331 - 156

The 6331-156 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6331 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-84b095864e29]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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