Seiko Cal. 5660 - 436

This Automatic model from 1973 features a 43mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-df5c0f2cf2ed]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

Related Models

• Seiko 4458-525
• Seiko 6185-543
• Seiko 4498-920
• Seiko 4412-489
• Seiko 4536-696
• Seiko 7063-849
• Seiko 4573-906
• Seiko 6148-848
• Seiko 6127-403
• Seiko 7042-181
• Seiko 6124-834
• Seiko 4484-842