Seiko Cal. 5641 - 942

The 5641-942 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-507ed86e7f45]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1992

Related Models

• Seiko 0781-570
• Seiko 0769-109
• Seiko 5635-271
• Seiko 6346-241
• Seiko 7084-889
• Seiko 7043-207
• Seiko 5264-958
• Seiko 6170-549
• Seiko 7168-296
• Seiko 4549-808
• Seiko 6138-719
• Seiko 3819-306