Seiko Cal. 6387 - 633

The Seiko 6387-633 represents an important milestone in Seiko's 1996 lineup. Powered by the 6387 caliber with 26j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-eba01b9da026]

Also known as: Bullhead, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1996

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