Seiko Cal. 6681 - 549

This Hand-Winding model from 1986 features a 39mm Titanium case. Powered by the 6681 caliber with 18j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-f551fd70edf2]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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