Seiko Cal. 6370 - 271

The Seiko 6370-271 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-88c78eb463a1]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1985

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