Seiko Cal. 6231 - 263

The Seiko 6231-263 represents an important milestone in Seiko's 1980 lineup. Powered by the 6231 caliber with 22j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-93ee453b12fc]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1980

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