Seiko Cal. 6379 - 436

The Seiko 6379-436 represents an important milestone in Seiko's 1988 lineup. Powered by the 6379 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-fd00163e7443]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

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