Seiko Cal. 0731 - 421

Seiko 0731-421

The 0731-421 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-317db300a9d7]

Also known as: Rally, Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1993

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seikata-wm-317db300a9d7