Seiko Cal. 4438 - 652

The Seiko 4438-652 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-9c67735c05fd]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1975

Related Models

• Seiko 5619-690
• Seiko 6174-707
• Seiko 6654-182
• Seiko 7172-124
• Seiko 3824-917
• Seiko 7161-644
• Seiko 6652-623
• Seiko 6354-386
• Seiko 3851-366
• Seiko 6147-994
• Seiko 5273-999
• Seiko 4441-250