Seiko Cal. 3830 - 686

The Seiko 3830-686 represents an important milestone in Seiko's 1981 lineup. Powered by the 3830 caliber with 36j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-50dad4a5a249]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1981

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