Seiko Cal. 7020 - 153

The Seiko 7020-153 represents an important milestone in Seiko's 1988 lineup. Powered by the 7020 caliber with 31j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-0d6cb4324516]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1988

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