Seiko Cal. 3847 - 920

Seiko 3847-920

This Spring Drive model from 1971 features a 44mm Titanium case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-577c263fed3d]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
44mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1971

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seikata-wm-577c263fed3d