Seiko Cal. 5686 - 553

This Automatic model from 1980 features a 42mm Titanium case. Powered by the 5686 caliber with 24j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-107fc1cca237]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1980

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