Seiko Cal. 6131 - 138

The 6131-138 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-2f6cdec2bb0b]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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