Seiko Cal. 3878 - 440

The Seiko 3878-440 represents an important milestone in Seiko's 1993 lineup. It features a White dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-802255cb9bc4]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1993

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