Seiko Cal. 6618 - 508

The Seiko 6618-508 represents an important milestone in Seiko's 1990 lineup. Powered by the 6618 caliber with 35j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-420c103147d1]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1990

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