Seiko Cal. 0777 - 379

Seiko 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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