Seiko Cal. 0740 - 633

Seiko 0740-633

This Quartz model from 1965 features a 36mm Stainless Steel case. Powered by the 0740 caliber with 28j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-40478966de7b]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1965

Related Models

seikata-wm-40478966de7b