Seiko Cal. 6231 - 366

The Seiko 6231-366 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-a82bbbd0564f]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1974

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