Seiko Cal. 3858 - 627

The Seiko 3858-627 represents an important milestone in Seiko's 1998 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-5ef7e8a5a96f]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1998

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