Seiko Cal. 6370 - 553

The Seiko 6370-553 represents an important milestone in Seiko's 1989 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-d790aa22c350]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1989

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