Seiko Cal. 3891 - 354

This Quartz model from 1966 features a 36mm Titanium case. Powered by the 3891 caliber with 19j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-71ded2e598aa]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1966

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