Seiko Cal. 5640 - 346

This Solar model from 1980 features a 39mm PVD Black case. Powered by the 5640 caliber with 36j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-7a1ff448ecbe]

Also known as: Shogun, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1980

Related Models

• Seiko 6678-465
• Seiko 6643-770
• Seiko 6149-413
• Seiko 7161-633
• Seiko 4422-163
• Seiko 0741-137
• Seiko 6238-460
• Seiko 6212-948
• Seiko 7132-371
• Seiko 3861-994
• Seiko 5237-197
• Seiko 6389-663