Seiko Cal. 6186 - 743

The Seiko 6186-743 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-6956f4f9834b]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1977

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