Seiko Cal. 3878 - 833

Released in 1973, the Cal. 3878 with design code 833 was part of Seiko's domestic market collection. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c63a3bf94fad]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

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