Seiko Cal. 3857 - 377

Released in 1982, the Cal. 3857 with design code 377 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-a167af583bf0]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1982

Related Models

• Seiko 6168-407
• Seiko 5657-866
• Seiko 4449-161
• Seiko 7159-350
• Seiko 6297-176
• Seiko 3886-645
• Seiko 5636-752
• Seiko 5691-651
• Seiko 6348-592
• Seiko 3842-313
• Seiko 6612-183
• Seiko 6379-191