Seiko Cal. 3841 - 770

The 3841-770 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-e60cc8270f2f]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 0731-117
• Seiko 6373-225
• Seiko 7015-389
• Seiko 3842-491
• Seiko 6127-660
• Seiko 7164-563
• Seiko 6677-584
• Seiko 0768-784
• Seiko 5660-310
• Seiko 4546-662
• Seiko 6260-848
• Seiko 5679-578