Seiko Cal. 6378 - 615

The 6378-615 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-52c8c1768d95]

Also known as: Tuna, Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1972

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