Seiko Cal. 0778 - 321

Seiko 0778-321

The Seiko 0778-321 represents an important milestone in Seiko's 1990 lineup. Powered by the 0778 caliber with 21j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-4c0decf8ba8f]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
15.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1990

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