Seiko Cal. 4438 - 821

The 4438-821 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-2a3d62aecda9]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

Related Models

• Seiko 0760-277
• Seiko 3818-237
• Seiko 6333-214
• Seiko 3832-879
• Seiko 5254-178
• Seiko 3878-308
• Seiko 6246-401
• Seiko 6213-611
• Seiko 6666-554
• Seiko 7172-189
• Seiko 6679-764
• Seiko 6111-264