Seiko Cal. 6331 - 809

The 6331-809 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6331 caliber with 29j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-e785da096456]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1967

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