Seiko Cal. 6135 - 257

Released in 1976, the Cal. 6135 with design code 257 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-5bbc3ca054aa]

Also known as: Monster, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1976

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