Seiko Cal. 4427 - 638

This Kinetic model from 1982 features a 44mm Stainless Steel case. Powered by the 4427 caliber with 27j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-a3882aa1af63]

Also known as: Navigator, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

Related Models

• Seiko 3869-863
• Seiko 6165-862
• Seiko 4477-296
• Seiko 5616-341
• Seiko 4527-122
• Seiko 6229-190
• Seiko 0714-267
• Seiko 6343-911
• Seiko 5696-749
• Seiko 4561-299
• Seiko 6275-502
• Seiko 3891-684