Seiko Cal. 4422 - 352

This Spring Drive model from 1985 features a 46mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-423c422f5dc8]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1985

Related Models

• Seiko 4430-409
• Seiko 0733-940
• Seiko 6311-644
• Seiko 6624-428
• Seiko 5287-547
• Seiko 6224-479
• Seiko 6197-537
• Seiko 6137-957
• Seiko 5616-712
• Seiko 6177-969
• Seiko 7016-157
• Seiko 4599-663