Seiko Cal. 0731 - 733

The 0731-733 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0fd60de1303b]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1999

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