Seiko Cal. 7136 - 740

Seiko 7136-740

The Seiko 7136-740 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-5c4cbdab5385]

Also known as: Monster, Baby Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1973

Related Models

seikata-wm-5c4cbdab5385