Seiko Cal. 4447 - 710

This Spring Drive model from 1969 features a 46mm PVD Black case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a5cbfe2db103]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1969

Related Models

• Seiko 4413-896
• Seiko 6213-756
• Seiko 7130-224
• Seiko 7139-514
• Seiko 7023-102
• Seiko 6632-311
• Seiko 3845-326
• Seiko 5266-440
• Seiko 7166-917
• Seiko 6310-760
• Seiko 4422-339
• Seiko 6686-751