Seiko Cal. 0765 - 821

Seiko 0765-821

This Automatic model from 1978 features a 41mm Hardlex-Coated Steel case. Powered by the 0765 caliber with 20j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-37ecf197396b]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1978

Related Models

seikata-wm-37ecf197396b