Seiko Cal. 4437 - 446

The 4437-446 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4437 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-91d625740dc3]

Also known as: Tuna, Panda

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1994

Related Models

• Seiko 4566-482
• Seiko 4485-263
• Seiko 6374-136
• Seiko 5248-516
• Seiko 5270-292
• Seiko 5630-565
• Seiko 0712-233
• Seiko 5696-878
• Seiko 4578-838
• Seiko 5689-753
• Seiko 6196-964
• Seiko 0775-174