Seiko Cal. 6638 - 186

This Automatic model from 1992 features a 41mm PVD Black case. Powered by the 6638 caliber with 28j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-b23c2ac02fa3]

Also known as: Pogue, Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1992

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