Seiko Cal. 5633 - 839

The 5633-839 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5633 caliber with 27j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-1f7367ef34fd]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

Related Models

• Seiko 6618-358
• Seiko 6697-866
• Seiko 4419-316
• Seiko 0720-749
• Seiko 6248-243
• Seiko 3855-856
• Seiko 0718-802
• Seiko 6373-103
• Seiko 5299-331
• Seiko 0761-228
• Seiko 7154-493
• Seiko 4479-126