Seiko Cal. 4447 - 178

The 4447-178 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-681734b51ed4]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1965

Related Models

• Seiko 4475-585
• Seiko 3898-232
• Seiko 5276-194
• Seiko 4587-210
• Seiko 3847-706
• Seiko 6610-288
• Seiko 6349-450
• Seiko 0728-962
• Seiko 6611-707
• Seiko 5638-405
• Seiko 6686-281
• Seiko 3884-727