Seiko Cal. 6231 - 307

This Solar model from 1981 features a 42mm Two-Tone case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-3a4f4a361628]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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