Seiko Cal. 3851 - 399

The Seiko 3851-399 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-337ea5cc5e28]

Also known as: Turtle, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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