Seiko Cal. 6157 - 338

The Seiko 6157-338 represents an important milestone in Seiko's 1977 lineup. Powered by the 6157 caliber with 22j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-476b749ab2cb]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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