Seiko Cal. 5688 - 541

Seiko 5688-541

This Automatic model from 1976 features a 42mm Hardlex-Coated Steel case. Powered by the 5688 caliber with 27j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-3bff252622a6]

Also known as: World Timer

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1976

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