Seiko Cal. 6645 - 768

The 6645-768 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-255b025ccd21]

Also known as: Pogue, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1984

Related Models

• Seiko 6238-279
• Seiko 6166-546
• Seiko 4562-633
• Seiko 4419-991
• Seiko 6384-799
• Seiko 3875-544
• Seiko 6333-546
• Seiko 6111-815
• Seiko 6612-710
• Seiko 5625-659
• Seiko 5234-106
• Seiko 0752-140