Seiko Cal. 6641 - 894

Released in 1976, the Cal. 6641 with design code 894 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-033c0ab6ac90]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

Related Models

• Seiko 5614-555
• Seiko 6155-380
• Seiko 6659-897
• Seiko 4559-751
• Seiko 6133-176
• Seiko 6682-844
• Seiko 6159-435
• Seiko 4520-471
• Seiko 5217-601
• Seiko 6228-634
• Seiko 5284-338
• Seiko 5298-659