Seiko Cal. 5680 - 431

This Hand-Winding model from 1974 features a 36mm Titanium case. Powered by the 5680 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2ad3b2819c9b]

Also known as: Panda, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1974

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