Seiko Cal. 6188 - 491

The Seiko 6188-491 represents an important milestone in Seiko's 1978 lineup. Powered by the 6188 caliber with 35j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-002d25ee6e5d]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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