Seiko Cal. 5668 - 537

Seiko 5668-537

The 5668-537 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5668 caliber with 19j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-01f1d17130b1]

Also known as: Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
60m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1991

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