Seiko Cal. 5688 - 740

Seiko 5688-740

This Automatic model from 1978 features a 44mm Gold-Plated case. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-47a9025e7a9b]

Also known as: Monster, Bullhead

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1978

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