Seiko Cal. 4438 - 527

The Seiko 4438-527 represents an important milestone in Seiko's 1986 lineup. It features a Cream dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-47c978573eb6]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1986

Related Models

• Seiko 6362-236
• Seiko 6299-967
• Seiko 6399-965
• Seiko 5652-363
• Seiko 6279-419
• Seiko 7097-630
• Seiko 5284-114
• Seiko 6353-232
• Seiko 3810-532
• Seiko 6328-768
• Seiko 6181-684
• Seiko 6687-674