Seiko Cal. 4436 - 399

The Seiko 4436-399 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-2a5f8db65ebd]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1987

Related Models

• Seiko 5238-925
• Seiko 6118-320
• Seiko 5625-879
• Seiko 7158-854
• Seiko 7130-344
• Seiko 4553-273
• Seiko 0783-770
• Seiko 5267-133
• Seiko 7191-837
• Seiko 0768-947
• Seiko 5692-918
• Seiko 5290-459