Seiko Cal. 3839 - 136

The Seiko 3839-136 represents an important milestone in Seiko's 1977 lineup. Powered by the 3839 caliber with 29j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-e628152ebcdd]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

Related Models

• Seiko 5224-490
• Seiko 4416-269
• Seiko 4525-428
• Seiko 0798-812
• Seiko 7061-276
• Seiko 7017-813
• Seiko 6620-510
• Seiko 6384-624
• Seiko 4432-419
• Seiko 6184-765
• Seiko 6267-209
• Seiko 6252-153