Seiko Cal. 6377 - 149

The 6377-149 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6377 caliber with 30j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-614351a387d2]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1984

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