Seiko Cal. 5680 - 236

The Seiko 5680-236 represents an important milestone in Seiko's 1973 lineup. Powered by the 5680 caliber with 20j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-d3af7865a67d]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

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