Seiko Cal. 5620 - 641

The Seiko 5620-641 represents an important milestone in Seiko's 1986 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-5d7f881baacf]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1986

Related Models

• Seiko 4570-739
• Seiko 4445-160
• Seiko 4449-998
• Seiko 3861-935
• Seiko 6128-946
• Seiko 4470-356
• Seiko 6193-850
• Seiko 6126-224
• Seiko 3813-177
• Seiko 4585-485
• Seiko 6258-856
• Seiko 5227-611