Seiko Cal. 7020 - 310

The Seiko 7020-310 represents an important milestone in Seiko's 1985 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-29419fa7ef82]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

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