Seiko Cal. 6138 - 678

The 6138-678 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6138 caliber with 34j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-a4e25d193c5a]

Also known as: Turtle, Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1997

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