Seiko Cal. 6183 - 637

The Seiko 6183-637 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-658804379533]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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