Seiko Cal. 0743 - 687

Seiko 0743-687

The Seiko 0743-687 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-37f6f4bced3f]

Also known as: Bullhead, World Timer

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1977

Related Models

seikata-wm-37f6f4bced3f