Seiko Cal. 0778 - 645

The Seiko 0778-645 represents an important milestone in Seiko's 1996 lineup. Powered by the 0778 caliber with 24j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-33490ab1689a]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1996

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