Seiko Cal. 6644 - 616

This Hand-Winding model from 1967 features a 45mm Two-Tone case. It features a Cream dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-7f72834309be]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

Related Models

• Seiko 5223-252
• Seiko 6165-220
• Seiko 6190-431
• Seiko 6296-980
• Seiko 6626-398
• Seiko 4438-109
• Seiko 4558-369
• Seiko 7181-889
• Seiko 4524-800
• Seiko 4487-223
• Seiko 5678-568
• Seiko 5290-276