Seiko Cal. 3827 - 428

The Seiko 3827-428 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-6de77d97d35c]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1991

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