Seiko Cal. 4491 - 937

Seiko 4491-937

The 4491-937 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4491 caliber with 17j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c4249761a852]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1997

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seikata-wm-c4249761a852