Seiko Cal. 6691 - 507

Seiko 6691-507

This Hand-Winding model from 1974 features a 46mm Two-Tone case. Powered by the 6691 caliber with 22j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-7e422d706a55]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
11.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Green
Jewels
22j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1974

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seikata-wm-7e422d706a55