Seiko Cal. 3857 - 284

Released in 1976, the Cal. 3857 with design code 284 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5cdb436cd182]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1976

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