Seiko Cal. 4437 - 442

The 4437-442 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4437 caliber with 35j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-3e2b8d530aed]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1988

Related Models

• Seiko 7047-650
• Seiko 0787-247
• Seiko 5659-606
• Seiko 7020-711
• Seiko 0728-509
• Seiko 4473-223
• Seiko 3852-893
• Seiko 7043-274
• Seiko 4432-217
• Seiko 7042-292
• Seiko 3884-992
• Seiko 6611-666