Seiko Cal. 4491 - 671

Seiko 4491-671

The Seiko 4491-671 represents an important milestone in Seiko's 1968 lineup. Powered by the 4491 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-47d12a32d028]

Also known as: Sea Horse, Arnie

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1968

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