Seiko Cal. 5641 - 940

The Seiko 5641-940 represents an important milestone in Seiko's 1986 lineup. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-844c8f91f16b]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

Related Models

• Seiko 7044-872
• Seiko 0745-711
• Seiko 7152-672
• Seiko 6683-459
• Seiko 7052-442
• Seiko 5245-370
• Seiko 7113-309
• Seiko 3853-970
• Seiko 3878-421
• Seiko 5636-107
• Seiko 4563-353
• Seiko 4435-188