Seiko Cal. 5687 - 372

The Seiko 5687-372 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-a5aa3b45a8fe]

Also known as: Pogue, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1981

Related Models

• Seiko 4540-484
• Seiko 3841-440
• Seiko 4456-389
• Seiko 3825-413
• Seiko 6290-322
• Seiko 7195-946
• Seiko 7166-312
• Seiko 6616-521
• Seiko 4588-186
• Seiko 5223-828
• Seiko 6348-352
• Seiko 5217-914