Seiko Cal. 4448 - 528

The Seiko 4448-528 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-6f8acb2ccf10]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

Related Models

• Seiko 7039-474
• Seiko 5626-392
• Seiko 6218-157
• Seiko 3851-927
• Seiko 7116-469
• Seiko 0748-963
• Seiko 4535-794
• Seiko 4487-299
• Seiko 6284-672
• Seiko 6183-758
• Seiko 0790-645
• Seiko 6281-476