Seiko Cal. 7150 - 831

Seiko 7150-831

This Hand-Winding model from 1978 features a 43mm Two-Tone case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8b51a5627b00]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
White
Jewels
33j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1978

Related Models

seikata-wm-8b51a5627b00