Seiko Cal. 4445 - 307

Seiko 4445-307

The Seiko 4445-307 represents an important milestone in Seiko's 1977 lineup. Powered by the 4445 caliber with 25j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-70b1ec23b9b8]

Also known as: Turtle, Bullhead

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1977

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