Seiko Cal. 0770 - 370

Seiko 0770-370

The 0770-370 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-578ac14c1978]

Also known as: Tuna, Arnie

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1979

Related Models

seikata-wm-578ac14c1978