Seiko Cal. 5688 - 525

Seiko 5688-525

This Spring Drive model from 1974 features a 35mm Hardlex-Coated Steel case. Powered by the 5688 caliber with 36j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-138719dc10a1]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
36j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1974

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seikata-wm-138719dc10a1