Seiko Cal. 6387 - 834

This Hand-Winding model from 1998 features a 42mm Two-Tone case. Powered by the 6387 caliber with 21j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-e14a4f8c1e25]

Also known as: Bullhead, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1998

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