Seiko Cal. 4437 - 987

This Spring Drive model from 1967 features a 46mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-6eca060c4990]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1967

Related Models

• Seiko 4538-332
• Seiko 6235-345
• Seiko 5629-461
• Seiko 5638-177
• Seiko 5615-169
• Seiko 5262-618
• Seiko 5665-983
• Seiko 6192-248
• Seiko 7050-924
• Seiko 0789-776
• Seiko 4520-924
• Seiko 5261-666