Seiko Cal. 6231 - 650

The Seiko 6231-650 represents an important milestone in Seiko's 1990 lineup. Powered by the 6231 caliber with 20j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-569d06d30373]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1990

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