Seiko Cal. 6164 - 661

The Seiko 6164-661 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-7b3563adde93]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1965

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