Seiko Cal. 5656 - 378

The Seiko 5656-378 represents an important milestone in Seiko's 1969 lineup. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-68f6fe164a76]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1969

Related Models

• Seiko 7065-591
• Seiko 7048-362
• Seiko 6381-765
• Seiko 7130-801
• Seiko 6264-397
• Seiko 7018-701
• Seiko 5624-583
• Seiko 7071-340
• Seiko 4570-987
• Seiko 4596-242
• Seiko 6244-335
• Seiko 6618-683