Seiko Cal. 6378 - 140

The Seiko 6378-140 represents an important milestone in Seiko's 1998 lineup. Powered by the 6378 caliber with 29j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c51bdf463329]

Also known as: Samurai, Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1998

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