Seiko Cal. 3874 - 315

The Seiko 3874-315 represents an important milestone in Seiko's 1979 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-27a5e61efb7b]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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