Seiko Cal. 5681 - 650

Seiko 5681-650

The Seiko 5681-650 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5f36fedfe05a]

Also known as: Turtle, Monster

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
180m
Dial Color
Burgundy
Jewels
35j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1971

Related Models

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