Seiko Cal. 6178 - 977

Seiko 6178-977

This Automatic model from 1966 features a 35mm Titanium case. Powered by the 6178 caliber with 28j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-0e3911e55b1e]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
35mm
Case Thickness
12.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1966

Related Models

seikata-wm-0e3911e55b1e