Seiko Cal. 6231 - 497

The Seiko 6231-497 represents an important milestone in Seiko's 1975 lineup. Powered by the 6231 caliber with 26j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-7e2674e3d0de]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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