Seiko Cal. 6641 - 289

This Kinetic model from 1969 features a 37mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-fb05267c0231]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1969

Related Models

• Seiko 3868-630
• Seiko 4430-127
• Seiko 0720-410
• Seiko 5649-769
• Seiko 6142-709
• Seiko 3835-618
• Seiko 6337-598
• Seiko 7030-253
• Seiko 7110-369
• Seiko 0770-768
• Seiko 4577-158
• Seiko 3875-289