Seiko Cal. 6370 - 545

The Seiko 6370-545 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0cd3337593ab]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1973

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