Seiko Cal. 6635 - 138

This Automatic model from 1993 features a 35mm PVD Black case. Powered by the 6635 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-33a447beb6bc]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1993

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