Seiko Cal. 6681 - 513

This Hand-Winding model from 1989 features a 41mm Titanium case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-48e7238d9d36]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1989

Related Models

• Seiko 6646-865
• Seiko 4547-286
• Seiko 6243-117
• Seiko 4459-660
• Seiko 6274-294
• Seiko 3836-109
• Seiko 5664-679
• Seiko 5677-607
• Seiko 7036-382
• Seiko 0761-394
• Seiko 4412-171
• Seiko 5297-848