Seiko Cal. 0788 - 821

Seiko 0788-821

The 0788-821 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0788 caliber with 19j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-baf1e2d4ffb9]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Black
Jewels
19j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1978

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