Seiko Cal. 6231 - 738

The 6231-738 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-1f864c30bee3]

Also known as: Bullhead, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1975

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