Seiko Cal. 7140 - 571

Seiko 7140-571

This Hand-Winding model from 1978 features a 36mm Two-Tone case. Powered by the 7140 caliber with 29j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-de18324b59f9]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1978

Related Models

seikata-wm-de18324b59f9