Seiko Cal. 4431 - 671

Seiko 4431-671

This Kinetic model from 1988 features a 41mm Titanium case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-535cae231a7d]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
41mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1988

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seikata-wm-535cae231a7d