Seiko Cal. 6642 - 904

The Seiko 6642-904 represents an important milestone in Seiko's 1997 lineup. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-b3fd3a5b3e79]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1997

Related Models

• Seiko 4550-644
• Seiko 5259-620
• Seiko 7131-792
• Seiko 4599-516
• Seiko 0772-157
• Seiko 6318-119
• Seiko 6120-502
• Seiko 7016-203
• Seiko 6166-212
• Seiko 5290-981
• Seiko 4576-580
• Seiko 5245-490