Seiko Cal. 4437 - 852

The Seiko 4437-852 represents an important milestone in Seiko's 1971 lineup. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-38e9ec585536]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

Related Models

• Seiko 3848-915
• Seiko 6672-619
• Seiko 3825-276
• Seiko 5654-405
• Seiko 7034-408
• Seiko 5647-206
• Seiko 0755-783
• Seiko 4460-672
• Seiko 6159-520
• Seiko 5652-482
• Seiko 6122-585
• Seiko 0736-705