Seiko Cal. 6377 - 849

This Spring Drive model from 1969 features a 34mm Titanium case. Powered by the 6377 caliber with 32j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-7be62dadd6b8]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1969

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