Seiko Cal. 6645 - 304

The 6645-304 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-60591dcc17e4]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1996

Related Models

• Seiko 6147-557
• Seiko 4428-118
• Seiko 7089-748
• Seiko 6624-588
• Seiko 3879-559
• Seiko 4598-502
• Seiko 6142-157
• Seiko 7078-337
• Seiko 6311-105
• Seiko 6177-634
• Seiko 3875-315
• Seiko 5232-778