Seiko Cal. 0771 - 328

Seiko 0771-328

The 0771-328 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0771 caliber with 18j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-f10eaafeced5]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1977

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