Seiko Cal. 3854 - 378

This Automatic model from 1983 features a 43mm Two-Tone case. Powered by the 3854 caliber with 36j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-90b78e2c3c87]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1983

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