Seiko Cal. 5651 - 640

Seiko 5651-640

The Seiko 5651-640 represents an important milestone in Seiko's 1990 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e16cd4c8a8ff]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1990

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