Seiko Cal. 7121 - 644

The Seiko 7121-644 represents an important milestone in Seiko's 1986 lineup. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-37c25e478b12]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1986

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