Seiko Cal. 0777 - 379

The Seiko 0777-379 represents an important milestone in Seiko's 1988 lineup. Powered by the 0777 caliber with 23j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-0369bf50fd95]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1988

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