Seiko Cal. 3855 - 423

The Seiko 3855-423 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-2fa2c331e853]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1976

Related Models

• Seiko 4444-662
• Seiko 3858-539
• Seiko 6270-186
• Seiko 7163-597
• Seiko 5277-171
• Seiko 6670-213
• Seiko 0782-925
• Seiko 3851-333
• Seiko 3834-272
• Seiko 3863-236
• Seiko 6284-676
• Seiko 7139-535