Seiko Cal. 5634 - 412

This Quartz model from 1967 features a 45mm PVD Black case. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-d794c3dc1034]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

Related Models

• Seiko 7097-755
• Seiko 6124-360
• Seiko 6248-533
• Seiko 5251-188
• Seiko 5610-690
• Seiko 7190-489
• Seiko 3864-259
• Seiko 6326-781
• Seiko 5270-305
• Seiko 6321-647
• Seiko 4449-950
• Seiko 4598-243