Seiko Cal. 4491 - 485

Seiko 4491-485

This Hand-Winding model from 1969 features a 37mm Hardlex-Coated Steel case. Powered by the 4491 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-4c314d65a36d]

Also known as: Turtle, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1969

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seikata-wm-4c314d65a36d