Seiko Cal. 0731 - 643

Seiko 0731-643

The 0731-643 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-a721fa4d3237]

Also known as: Panda

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1997

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seikata-wm-a721fa4d3237