Seiko Cal. 6238 - 677

This Spring Drive model from 1997 features a 45mm PVD Black case. Powered by the 6238 caliber with 30j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-a901d3731414]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1997

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