Seiko Cal. 6231 - 491

Seiko 6231-491

The Seiko 6231-491 represents an important milestone in Seiko's 1996 lineup. Powered by the 6231 caliber with 29j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-eef21d42447f]

Also known as: Sumo, Rally

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Cream
Jewels
29j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1996

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