Seiko Cal. 3830 - 660

Released in 1989, the Cal. 3830 with design code 660 was part of Seiko's domestic market collection. Powered by the 3830 caliber with 35j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-2bafdd173e0e]

Also known as: Sumo, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1989

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