Seiko Cal. 4417 - 907

Seiko 4417-907

This Spring Drive model from 1986 features a 42mm Titanium case. Powered by the 4417 caliber with 21j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-853da4f9c2de]

Also known as: Turtle, Bullhead

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1986

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