Seiko Cal. 3830 - 370

Released in 1977, the Cal. 3830 with design code 370 was part of Seiko's domestic market collection. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-7461fc5adbb5]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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