Seiko Cal. 5686 - 242

Seiko 5686-242

The 5686-242 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5686 caliber with 20j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-4bdc91d04d6b]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1966

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