Seiko Cal. 3870 - 182

The Seiko 3870-182 represents an important milestone in Seiko's 1975 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-4353110651a6]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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