Seiko Cal. 6370 - 227

The Seiko 6370-227 represents an important milestone in Seiko's 1984 lineup. Powered by the 6370 caliber with 25j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-4fb562e4e42b]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1984

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