Seiko Cal. 6645 - 455

The Seiko 6645-455 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-15ffbf17e148]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

Related Models

• Seiko 3848-407
• Seiko 7141-952
• Seiko 6123-501
• Seiko 3846-438
• Seiko 4496-837
• Seiko 5292-119
• Seiko 6256-232
• Seiko 6321-955
• Seiko 0795-318
• Seiko 6699-381
• Seiko 7057-214
• Seiko 6313-212