Seiko Cal. 6681 - 137

This Hand-Winding model from 1998 features a 38mm Hardlex-Coated Steel case. Powered by the 6681 caliber with 24j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-dc7ba0726d1f]

Also known as: Turtle, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1998

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