Seiko Cal. 3865 - 421

The Seiko 3865-421 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-0d13558bdb0b]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1973

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