Seiko Cal. 5231 - 488

The Seiko 5231-488 represents an important milestone in Seiko's 1988 lineup. Powered by the 5231 caliber with 28j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-15d041c7ffe0]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1988

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