Seiko Cal. 4491 - 320

Seiko 4491-320

The Seiko 4491-320 represents an important milestone in Seiko's 1995 lineup. Powered by the 4491 caliber with 18j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-354e4a06a160]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Burgundy
Jewels
18j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1995

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seikata-wm-354e4a06a160