Seiko Cal. 6391 - 606

The Seiko 6391-606 represents an important milestone in Seiko's 1978 lineup. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-2ebb6397351e]

Also known as: Turtle, Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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