Seiko Cal. 3878 - 388

This Hand-Winding model from 1973 features a 39mm PVD Black case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bb9ca8bd76f9]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1973

Related Models

• Seiko 6126-836
• Seiko 4438-849
• Seiko 6668-539
• Seiko 3890-917
• Seiko 6684-381
• Seiko 6358-135
• Seiko 4571-402
• Seiko 6141-164
• Seiko 6238-405
• Seiko 3857-487
• Seiko 5686-881
• Seiko 7065-682