Seiko Cal. 6137 - 399

The Seiko 6137-399 represents an important milestone in Seiko's 1997 lineup. Powered by the 6137 caliber with 26j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-3fe980b9ece7]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1997

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