Seiko Cal. 6121 - 539

The Seiko 6121-539 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-7e07a83ce4be]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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