Seiko Cal. 6131 - 983

The 6131-983 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6131 caliber with 32j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-b84023be3faf]

Also known as: Turtle, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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