Seiko Cal. 0770 - 427

Seiko 0770-427

The 0770-427 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0770 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a13ad72fc8c9]

Also known as: Sea Horse, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1990

Related Models

seikata-wm-a13ad72fc8c9