Seiko Cal. 3894 - 437

The Seiko 3894-437 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6cbb0aa54f6f]

Also known as: Monster, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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