Seiko Cal. 6136 - 931

The 6136-931 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-628cc95efc55]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1993

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