Seiko Cal. 3827 - 635

Seiko 3827-635

This Hand-Winding model from 1972 features a 37mm Titanium case. Powered by the 3827 caliber with 20j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-ce96d15dd87b]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1972

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seikata-wm-ce96d15dd87b