Seiko Cal. 4437 - 670

The Seiko 4437-670 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-f6b58ac422d4]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

Related Models

• Seiko 6616-819
• Seiko 3830-597
• Seiko 6674-562
• Seiko 5264-429
• Seiko 4418-912
• Seiko 7115-844
• Seiko 0762-560
• Seiko 4454-728
• Seiko 5215-781
• Seiko 7046-381
• Seiko 6360-533
• Seiko 6694-905