Seiko Cal. 6642 - 456

This Hand-Winding model from 1965 features a 36mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-5980523fdba6]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1965

Related Models

• Seiko 4525-619
• Seiko 5686-213
• Seiko 4472-319
• Seiko 5665-414
• Seiko 5245-580
• Seiko 0751-192
• Seiko 7098-504
• Seiko 6248-703
• Seiko 6174-600
• Seiko 6336-719
• Seiko 4479-619
• Seiko 7178-915