Seiko Cal. 6387 - 222

The Seiko 6387-222 represents an important milestone in Seiko's 1980 lineup. Powered by the 6387 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-3023aa18eb5e]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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