Seiko Cal. 6386 - 253

This Spring Drive model from 1978 features a 40mm Titanium case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8ea16637f813]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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