Seiko Cal. 6231 - 919

The 6231-919 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6231 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-98d0d6109e78]

Also known as: Tuna, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1984

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