Seiko Cal. 0731 - 345

The 0731-345 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-664ede9ef2b7]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1989

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