Seiko Cal. 3878 - 788

The Seiko 3878-788 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-4315d9c5230a]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1969

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