Seiko Cal. 4431 - 393

The 4431-393 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-2cf7ff31d934]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

Related Models

• Seiko 5653-439
• Seiko 5631-615
• Seiko 6189-209
• Seiko 4473-584
• Seiko 7070-594
• Seiko 7134-277
• Seiko 5217-429
• Seiko 6133-531
• Seiko 5238-443
• Seiko 4475-331
• Seiko 3827-803
• Seiko 5249-965