Seiko Cal. 6657 - 216

Seiko 6657-216

This Hand-Winding model from 1969 features a 44mm Two-Tone case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-3675d9b2b59f]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
44mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1969

Related Models

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