Seiko Cal. 6394 - 188

The Seiko 6394-188 represents an important milestone in Seiko's 1981 lineup. Powered by the 6394 caliber with 19j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-92950e86497f]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1981

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