Seiko Cal. 4421 - 438

Seiko 4421-438

This Quartz model from 1986 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d783f33a1430]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Silver
Jewels
20j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1986

Related Models

seikata-wm-d783f33a1430