Seiko Cal. 6231 - 320

The Seiko 6231-320 represents an important milestone in Seiko's 1988 lineup. Powered by the 6231 caliber with 21j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-fec4fb875c41]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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