Seiko Cal. 6231 - 749

The 6231-749 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-60ad55cf9ab0]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1988

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