Seiko Cal. 3826 - 637

The Seiko 3826-637 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c44f0e969f4e]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

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