Seiko Cal. 5681 - 113

The Seiko 5681-113 represents an important milestone in Seiko's 1979 lineup. Powered by the 5681 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-85a654472ee2]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

Related Models

• Seiko 6117-569
• Seiko 7098-578
• Seiko 6339-307
• Seiko 4495-520
• Seiko 0761-241
• Seiko 7121-607
• Seiko 5648-770
• Seiko 3871-779
• Seiko 6354-502
• Seiko 6238-497
• Seiko 0715-603
• Seiko 4481-480