Seiko Cal. 3852 - 425

The Seiko 3852-425 represents an important milestone in Seiko's 1972 lineup. Powered by the 3852 caliber with 34j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-5d18bcea49b0]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1972

Related Models

• Seiko 7152-802
• Seiko 7051-768
• Seiko 5615-198
• Seiko 6143-859
• Seiko 6631-371
• Seiko 7131-689
• Seiko 5654-248
• Seiko 6382-576
• Seiko 5686-967
• Seiko 6642-847
• Seiko 6152-201
• Seiko 0750-439