Seiko Cal. 3818 - 550

Released in 1990, the Cal. 3818 with design code 550 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-dda135eb4b43]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1990

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