Seiko Cal. 6377 - 635

The 6377-635 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6377 caliber with 20j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-c19f7fabfcfb]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1977

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