Seiko Cal. 6187 - 553

The Seiko 6187-553 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8902abb3bc7f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1980

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