Seiko Cal. 5644 - 758

This Solar model from 1975 features a 36mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-2ee0a221218d]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

Related Models

• Seiko 5285-193
• Seiko 3835-450
• Seiko 5636-989
• Seiko 5267-843
• Seiko 3845-890
• Seiko 6173-234
• Seiko 6289-396
• Seiko 6629-338
• Seiko 5278-152
• Seiko 5249-587
• Seiko 6224-716
• Seiko 0751-713