Seiko Cal. 4544 - 766

Seiko 4544-766

The Seiko 4544-766 represents an important milestone in Seiko's 1968 lineup. Powered by the 4544 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-0417dbd631b8]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
12.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1968

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seikata-wm-0417dbd631b8