Seiko Cal. 4435 - 523

The Seiko 4435-523 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-42c2a762b1f4]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

Related Models

• Seiko 4418-940
• Seiko 4591-426
• Seiko 6194-123
• Seiko 0795-306
• Seiko 6173-467
• Seiko 7198-503
• Seiko 0732-484
• Seiko 3890-188
• Seiko 5638-120
• Seiko 6118-311
• Seiko 3818-917
• Seiko 6659-487