Seiko Cal. 3851 - 805

Released in 1975, the Cal. 3851 with design code 805 was part of Seiko's domestic market collection. Powered by the 3851 caliber with 23j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-15c8f4039c5d]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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